Treasure the Severn

10,000,000 Baby Oysters to be Planted in the
Severn River this Coming Thursday!

Our Vision

A healthy and thriving Severn River for present and future generations.

Our Mission

We engage the local community with the Severn River and its tributaries through advocacy, education and restoration.

Marylanders Grow Oysters Operation: Build-A-Reef

Land Use and Land Cover
within the Severn River Watershed

Click and zoom in on the interactive GIS Map
to discover information about the land use and
land cover within the Severn River watershed.

We are sharing our programs in new ways

Click here to view our StoryMap
on on the Severn River Association.

Howling Hurricane Isaias Churns It’s Way Up The Severn!

Hurricane Isaias rolled up the Severn River on Aug. 3, bringing torrential downpours and high winds that did more than knock downed trees and create power outages on land. In the Severn, Isaias left quite a mess: – fish kills along our shorelines, – stinky blue-algae blooms, – sediment plumes, and – no swimming advisories. […]

Read More >

We Invite You to Get Involved

  • Clean up streams & tributaries
  • Grow oysters in your river
  • Remove harmful invasives
  • River Monitoring: Measuring salinity, total dissolved solids, temperature & conductivity

  • Join Our Oyster Team: Become an oyster grower in your river

  • Project Clean Stream: Removing debris from tributaries